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gizmo_the_mogwai [7]
3 years ago
15

Need help on this Advanced algebra problem

Mathematics
1 answer:
zlopas [31]3 years ago
7 0

Answer:

8 m, 17 m and 22 m

Step-by-step explanation:

The first side is x

The second is 1 more than twice the first = 2x + 1

The third is 2 less than 3 times the first = 3x - 2

Sum the 3 sides and equate to 47

x + 2x + 1 + 3x - 2 = 47, that is

6x - 1 = 47 ( add 1 to both sides )

6x = 48 ( divide both sides by 6 )

x = 8

Thus

side 1 = 8 m

side 2 = 2x + 1 = 2(8) + 1 = 16 + 1 = 17 m

side 3 = 3x - 2 = 3(8) - 2 = 24 - 2 = 22 m

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Dmitry [639]

(a)

we are given

the price of apple suddenly up by $0.75

Let's assume original price be 'p'

we are given

Sam bought 3 pounds of apple at the new price total is $5.88

so, new price = old price +0.75

price of 3 apples =3(p+0.75)

we are given that price is 5.88

so, we get equation as

5.88=3(p+0.75).......Answer

(b)

Since, original price is p

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5.88=3p+2.25

5.88-2.25=3p+2.25-2.25

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2 years ago
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mars1129 [50]

Answer:

\boxed{\boxed{B.\ f(x)=\dfrac{3}{4}x^2+2x-5}}

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Quadratic function-

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